Differences

This shows you the differences between two versions of the page.

Link to this comparison view

Both sides previous revisionPrevious revision
Next revision		Previous revision
Next revisionBoth sides next revision
en:help:v2:elevations [2018/03/24 12:23] – alpinequesten:help:v2:elevations [2018/12/07 17:44] – alpinequest
Line 1: Line 1:
-<sub>[[en:help|Online Help]] > [[en:help:v2|AlpineQuest 2.x]] > [[en:help:v2:maps|Maps & Layers]]</sub>+<sub>[[en:help|Online Help]] > [[en:help:v2|AlpineQuest 2.x]] > [[en:help:v2:maps|Maps & Layers]] > Digital Elevation Model (DEM)</sub>
  
 ====== Digital Elevation Model (DEM) ====== ====== Digital Elevation Model (DEM) ======
Line 5: Line 5:
 The application is able to download and store elevation values of remote locations and let you use them in various ways, even while being offline. The application is able to download and store elevation values of remote locations and let you use them in various ways, even while being offline.
  
-Those elevations come from various sources including the SRTMGL1(v3) database and are currently available between latitude 56°S and 60°N with a precision of 1″ (arc-second).+Those elevations come from various sources including the SRTMGL1(v3) database and are currently available between latitude 56°S and 60°N with a precision of 1″ (1 arc-second).
  
 \\ \\
Line 89: Line 89:
  
 {{:icon_help.png?nolink}} If your own data doesn't cover a requested area, the application will automatically download the missing data in its own format which may interfere with your own data. Be sure to turn off the automatic download of elevation data (see first paragraph). {{:icon_help.png?nolink}} If your own data doesn't cover a requested area, the application will automatically download the missing data in its own format which may interfere with your own data. Be sure to turn off the automatic download of elevation data (see first paragraph).
 +
 +\\
 +
 +===== Problems with elevation data =====
 +\\
 +**What if I get error messages when using elevation data?**\\
 +It's likely because the elevation data storage is corrupted. Most of the time, this is due to "cleaning/optimizing" applications that delete parts of the storage (usually the biggest files) and claim to have freed space. If you use such application, be sure to correctly setup it. To fix the errors, you need to [[en:help:v2:elevations#how_to_delete_stored_elevation_data|clean up the stored elevation data]].